Accept HTML status code 401

Author: richelbilderbeek

mlc_config.json

@@ -1,3 +1,3 @@
 {
-    "aliveStatusCodes": [0, 200, 403, 418, 429, 500, 503]
+    "aliveStatusCodes": [0, 200, 401, 403, 418, 429, 500, 503]
 }